Use the Oracle Database prerequisites group package to simplify Oracle Solaris operating system configuration in preparation for Oracle software installations.

Oracle recommends that you install the Oracle Database prerequisites group package oracle-rdbms-server-18c-preinstall in preparation for Oracle Database and Oracle Grid Infrastructure installations.

• About the Oracle Database Prerequisites Packages for Oracle Solaris
  Use the Oracle Database prerequisites group package to simplify operating system configuration and to ensure that you have the required packages.
• Checking the Oracle Database Prerequisites Packages Installation
  Use this procedure to gather information about the Oracle Database prerequisites group package configuration.
• Installing the Oracle Database Prerequisites Packages for Oracle Solaris
  Use this procedure to install the Oracle Database prerequisites group package for your Oracle software.